2017 Audi A4

2017 A4 Audi Allroad- while making turns at low speeds with the steering wheel, the vehicle makes cracking, popping and vibration noises. The noise was inspected and reproduced, confirmed on 1/4/2023 by Audi Fletcher Jones, Costa Mesa, California and advised to replace engine mounts, and both front upper control arms, total repair bill $3240.27. After vehicle repairs the steering noises and vibration returned again with no warning lamps, or messages. The vehicle was dropped off at Audi Fletcher Jones, Costa Mesa, CA on 11/28/2023. Audi Fletcher Jones now states it is due to possible defective steering rack and quoted $4,237.9 for repairs on 12/27/2023. Possible safety risk to myself and others if there is an Audi Manufacture defect within the steering rack which can cause loss of steering. Steering rack failure should not be occurring on a vehicle with mileage - only 46,742 miles. NHSTA please investigate Audi of America for possible manufacture defects of engine mounts, control arms, and steering racks. My vehicle is available for inspection upon request.

2017 A4 B9 premium plus model, AWD, 2.0T. I have had an Audi dealership service my car for all major service intervals outside of oil change, not only at recommended intervals but even early. 3 years ago I had my 40K mile service done at 35K miles. Spark plugs were replaced by Audi Hawthorne in Westchester county, NY. One week ago, at 49K miles (well before the 6 years or 60K miles Audi says their spark plugs will last) my engine seized while driving and was misfiring. This caused an engine shut down WHILE THE CAR WAS IN MOTION on the highway. I was able to restart and make it off the highway where the car seized again. I had to then be towed 30 miles back home. Took it to my locally well known body shop that I have used for years for them to say: 1. My spark plugs were loose and installed incorrectly and 2. The electrode at the top of the plug had broken off TWO SEPERATE SPARK PLUGS and fallen into the engine, causing scoring to the engine and #4 piston as well as blow-by during combustion. They said this had to be caused by a manufacturing defect PLUS incorrect install. they fixed what they could and recommended I take it to Audi. Audi is now saying I need a whole new engine because of damage to piston 4, and not saying they will cover the replacement cost of $21,500. 

I was driving on the freeway at night. There was a sudden explosion that sounded like a gunshot. I was shocked and afraid. I heard the rain outside, so it seemed like there was a hole in the car. I pulled off the freeway and went to a well lit gas station to inspect the car. The sunroof had exploded upward. Fortunately the fabric sunshade was closed so the shards of glass remained above it. There was no hole in the fabric so nothing had fallen through the glass. There is no trajectory of a rock kicked up by another vehicle that could have exploded a roof outward. I did not go under an overpass from which something could have fallen. There was no rock or meteor in my car—as mentioned, the underlying sunshade was not pierced by a falling object. This occurred suddenly and without warning. Consumers are clearly complaining about this problem but nothing is being done. I will talk to my insurance company and Audi tomorrow as this happened late on a Friday night. Audi should not only eat the cost of this repair but these manufacturers should be forced to fix this problem. It is a horrible sudden sound, shards of glass could have hit me driving if the fabric had been open, and anyone in the back seat could have been injured or blinded by shattered glass. This problem has been a problem for years. Shame on everyone for allowing this to continue.

Random Engine Coolant Warning. Since purchase of vehicle mid-March 2022, I have randomly received engine coolant warnings on the dashboard. Visual checks of the coolant reservoir reveal no issues. Internet search of issue reveals a number of other owners have had the same problem. Issue has occurred at all speeds and temperature conditions.

Symptom of low coolant in overflow reservoir; below minimum line. Pressure test concluded leak in thermostat/water pump part. Appears to be a rampant problem spanning over a decade and affecting multiple trims and redesigns (i.e B8/B9 redesign/updates). Safety put at risk for possible vehicle fire or high pressure damage for engine coolant/radiator. The problem was reproduced and confirmed at a local (non-audi dealership) repair shop. They stated that the low level of coolant was due to a small leak in the thermostat/water pump housing. The vehicle has not been inspected by the manufacturer, police, or insurance. It will soon be in the local Audi dealership for a second opinion and/or possible resolution. I received a warning indicator on the dash and written pop up message on the dash board that indicated low coolant reservoir level. No OBD codes were collected by the independent service shop. They said that non were being displayed or read besides what was displayed on the dash.